<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>v-bind绑定style(对象语法)</title>
  </head>
  <body>
    <div id="app">
      <p :style="{fontSize:size+'px',backgroundColor:color}">{{message}}</p>
      <p :style="getStyle()">{{message}}</p>
    </div>
    <!-- 开发环境版本，包含了有帮助的命令行警告 -->
    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
    <script>
      var app = new Vue({
        el: "#app",
        data: {
          message: "你好呀",
          size: 50,
          color: "red",
        },
        methods: {
          getStyle: function () {
            return { fontSize: this.size + "px", backgroundColor: this.color };
          },
        },
      });
    </script>
  </body>
</html>
